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Why do I need a false bottom screen

WHY DO I NEED A FALSE BOTTOM? WHAT PURPOSE DOES IT SERVE?

A false bottom is kind of a screen that aids in separating the sweet wort from the mash / grains. A false bottom is usually a round piece of metal with lots of little holes drilled in it. It sits at the bottom of your mash tun, and is either curved or has legs that allow it to sit an inch or so above the bottom of the mash tun.

When you sparge, the grain forms a filter bed on top of the false bottom, allowing only the wort to filter through. Thus, your spigot doesn't get clogged with grain when you run off the sweet wort.
False Bottom Advantages

The largest advantage in using a false bottom with your kettle is that you will see more fermentable sugars extracted. This happens because stainless steel false bottoms allow for the liquid to drain out evenly while being extracted from the mashed grain.

A False bottom that drains through the center are considered optimal for this purpose. They are able to evenly extract the wort without having to worry about the mashed grain clumping up and reducing the amount of wort produced.

Another advantage that a false bottom can utilize is gravity during the sparging process. This allows for a more convenient process that can be done without the need for complicated pumps. This applies to every type of sparging that utilizes false bottoms, which includes continuous and batch sparge methods.

The last major benefit that a false bottom holds over other methods of wort extraction is that they tend to allow significantly more liquid to flow through at one time. This is overall better for the wort, and it results in less time being needed during the sparging stage.

In addition to this, it also means that you will need to worry less about how much pressure is added to the kettle to force the wort free from the grain. This works with the amateur brewer, as it both simplifies the extraction process and makes it more cost-efficient over other sparging options.

While there are many ways to brew and just as many tools, the one thing that is clear is stainless steel false bottoms are one of the best options for brewers to use at home. You’ll get upwards of 100% efficiency and the improved quality of the wort extract will lead to a better brew with more flavor.